Natchitochia is an extinct protocetid early whale known from the Middle Eocene (Bartonian, 40.4 to 37.2 million years ago) Cook Mountain Formation in Natchitoches Parish, Louisiana (31°42′N 93°06′W / 31.7°N 93.1°W, paleocoordinates 32°36′N 84°30′W / 32.6°N 84.5°W).
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0